// RUN: %clang_cc1 -verify %s | |
/* WG14 N1356: Yes | |
* _Bool bit-fields | |
*/ | |
// C does not allow the bit-width of a bit-field to exceed the width of the | |
// bit-field type, and _Bool is only required to be able to store 0 and 1 | |
// (and thus is implicitly unsigned), which only requires a single bit. | |
#if __BOOL_WIDTH__ < __CHAR_BIT__ | |
struct S { | |
_Bool b : __CHAR_BIT__; // expected-error {{width of bit-field 'b' (8 bits) exceeds the width of its type (1 bit)}} | |
}; | |
#else | |
// expected-no-diagnostics | |
#endif | |